Finding the Third Proportional to 655,120 and 1,388,973
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Solution
The third proportional to 655,120 and 1,388,973 is: 2,944,874.21
Step by Step Solution
- Step 1: Write the proportion equation
655,120 : 1,388,973 = 1,388,973 : x - Step 2: Convert to fraction form
655,120/1,388,973 = 1,388,973/x - Step 3: Cross multiply
655,120x = 1,388,973 × 1,388,973 - Step 4: Simplify right side
655,120x = 1,929,245,994,729 - Step 5: Solve for x
x = 1,929,245,994,729/655,120 - Step 6: Final answer
x = 2,944,874.21
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.